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You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
Day 4 | Tuesday, July 15 | predictability too low |
Day 5 | Wednesday, July 16 | predictability too low |
Day 6 | Thursday, July 17 | predictability too low |
Day 7 | Friday, July 18 | predictability too low |
Day 8 | Saturday, July 19 | predictability too low |
ZCZC SPCSWOD48 ALL ACUS48 KWNS 120730 SPC AC 120730
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0230 AM CDT Sat Jul 12 2025
Valid 151200Z - 201200Z
DISCUSSION
Several shortwave impulses are forecast to move through low-amplitude upper troughing over the northern tier of the U.S. during the Day 4-8 period. At the surface, a cold front is expected to develop south/southeast across portions of the northern/central Plains and Upper Midwest on Days 4-5/Tue-Wed. Given a moist and unstable airmass ahead of this feature, some severe potential is possible from the central Plains to the Upper Midwest. However, medium range guidance shows large spread in the location and timing of the front and any associated convection, resulting in low predictability.
Later in the period, strong upper ridging will develop over the Southeast. Some severe potential could continue eastward across the Great Lakes to the Mid-Atlantic around Days 5-6/Wed-Thu as the aforementioned cold front stalls in response to the building Southeast ridge. However, large-scale ascent and deep-layer flow will remain modest, and any severe potential would likely be driven by mesoscale processes not well resolved at this time scale.
..Leitman.. 07/12/2025
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